vladimir-ivanov’s gists

vladimir-ivanov / gist:7b9f649365739c456babac262133e921

Last active March 14, 2021 19:25

random playbook.yml

	---
	- name: This is a hello-world example
	vars:
	latest_version: "{{ version }}"
	hosts: localhost
	tasks:
	- name: Create a file called '/tmp/testfile.txt' with the content 'hello world'.
	copy:
	content: hello worldn
	dest: /tmp/text.txt

vladimir-ivanov / greatestCommonDivisor.ts

Created November 24, 2019 17:11

const greatestCommonDivisor(a: number, b: number): number => (b === 0) ? a : greatestCommonDivisor(b, a % b);

vladimir-ivanov / cartezian.js

Created November 4, 2019 21:10


	const result = [];

	const traverse = (obj, path = '', parentRow = {}) => {
	let row = { ...parentRow };

	Object.entries(obj).forEach(([key, val]) => {
	const currentPath = path ? `${path}.${key}` : key;

	if (Array.isArray(val) && val.length > 0) {

vladimir-ivanov / Example.java

Created September 12, 2018 18:36

solace example

	package com.vlad;

	import com.solacesystems.jms.SolConnectionFactory;
	import com.solacesystems.jms.SolJmsUtility;
	import org.springframework.beans.factory.annotation.Autowired;
	import org.springframework.boot.*;
	import org.springframework.boot.autoconfigure.*;
	import org.springframework.context.annotation.ComponentScan;
	import org.springframework.web.bind.annotation.*;

vladimir-ivanov / file-download-blob-example.html

Last active March 21, 2018 11:06

example of file upload, conversion to blob and then download

	<html>
	<head>
	<style>
	div {
	margin: 20px;
	}
	</style>
	</head>
	<body>
	<input type="file" id="your-files" multiple>

vladimir-ivanov / .z.pm

Last active December 5, 2017 08:51

OPTIONS preflight headers response

.z.pm:{"HTTP/1.1 200 OK\r\nAccess-Control-Allow-Origin: *\r\nAccess-Control-Allow-Methods: POST, GET, OPTIONS\r\nAccess-Control-Allow-Headers: Content-Type, Authorization\r\nAccess-Control-Max-Age: 86400\r\nVary: Accept-Encoding, Origin\r\nContent-Length: 0\r\nKeep-Alive: timeout=2, max=100\r\nConnection: Keep-Alive\r\nContent-Type: text/plain"}

vladimir-ivanov / computer.q

Last active December 3, 2017 21:10

kdb large data

	n:1000; timerange:5D; freq:0D00:01; calls:3000;
	depts:`finance`packing`logistics`management`hoopjumping`trading`telesales; startcpu:(til n)!25+n?20; fcn:n*fc:`long$timerange%freq;
	computer:([]time:(-0D00:00:10 + fcn?0D00:00:20)+fcn#(.z.p - timerange)+freq*til fc; id:raze fc#'key startcpu)
	computer:update `g#id from `time xasc update cpu:{100&3\|startcpu[first x]+sums(count x)?-2 -1 -1 0 0 1 1 2}[id] by id from computer

	/ And generate some random logged calls
	calls:([] time:(.z.p - timerange)+asc calls?timerange; id:calls?key startcpu; severity:calls?1 2 3)
	computerlookup:([id:key startcpu] dept:n?depts; os:n?`win7`win8`osx`vista)

	.z.ws:{0N! x; neg[.z.w] .j.j[select[1000000] from computer]}

vladimir-ivanov / gist:6d01723635424d1aae28e24e84da2760

Last active October 21, 2017 22:09

calendar date range random

	import {Component, OnInit} from '@angular/core';
	import * as moment from 'moment';
	import 'rxjs/Rx';
	import {Subject} from 'rxjs/Subject';
	import {Observable} from 'rxjs/Observable';
	import {Subscriber} from 'rxjs/Subscriber';

	@Component({
	selector: 'app-date-range',
	template: `<p-calendar

vladimir-ivanov / facebook-api-request.service.ts

Created August 2, 2017 19:27

facebook graph api sdk angular 2 / 4

	import {Inject, Injectable, InjectionToken} from '@angular/core';
	import {Observable} from 'rxjs/Observable';
	import {AsyncSubject} from "rxjs/AsyncSubject";

	export let FacebookSdk = new InjectionToken<any>("FacebookSdk");

	@Injectable()
	export class FbRequestService {
	constructor(@Inject(FacebookSdk) private facebookSdk) {
	}

vladimir-ivanov / rxjs resources

Last active July 30, 2017 16:27

	http://rxmarbles.com/
	https://auth0.com/blog/understanding-reactive-programming-and-rxjs/
	https://www.learnrxjs.io
	https://gist.github.com/btroncone/d6cf141d6f2c00dc6b35
	https://gist.github.com/staltz/868e7e9bc2a7b8c1f754
	https://rxviz.com/
	https://github.com/ReactiveX/rxjs/blob/master/MIGRATION.md

vladimir ivanov vladimir-ivanov